The LM386 based amplifier is still very popular as one of the smallest sized amplifier chips. However, the LM386 is not perfect and has a few drawbacks and limitations. As […]
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Optocouplers – Working, Characteristics, Interfacing, Application Circuits
OPTOCOUPLERS OR OPTOISOLATORS are devices that enable efficient transmission of DC signal and other data across two circuit stages, and also simultaneously maintain an excellent level of electrical isolation between […]
How to Repair Mosquito Swatter Bats
Repairing a mosquito bat is a process in which a malfunctioning mosquito bat is checked for faults using meters and restored to its earlier working condition. This post provides some […]
Videos – Circuit Test Results
3:22 How to Test a Mosfet with a Multimeter 6 views 6 hours ago 0:48 Simple Arduino Siren Circuit 6 views 1 day ago 1:25 Simple Laser Remote Control Circuit […]
Wire Current Calculator
AWG: In the American Wire Gauge (AWG), diameters is generally computed by utilizing the formula D(AWG)=.005·92((36-AWG)/39) inch. For the 00, 000, 0000 etc. gauges you choose -1, -2, -3, helping […]
Phase Angle Phase Shift Calculator
Determining phase angle φ° in degrees (deg), the time delay Δ t and the frequency f is: Phase angle (deg) (Time shift) Time difference Frequency λ = c / […]